Wen Xuan is a doctoral student at the No. 1 University in South China. However, she believes that her destiny in Yangcheng during her youngest and most energetic years was not to get a doctorate, but to fulfill a promise of love.
In the most prosperous area of Guangzhou, there is a luxuriously decorated four-star hotel with "Hong Kong style". The boss Xiao Si watches the booming business all day long, looks at all kinds of beauties in his nightclub, enjoys the comfortable service of his foot bath city, and lives a life in a man's paradise. Until one day he met Xuan. At nearly forty years old, he had forgotten the taste of love and began to wake up.